Overview
Agapanthus 'Blue Boy' is a clump-forming perennial herbaceous perennial in the genus Agapanthus, part of the Amaryllidaceae family, with deciduous, evergreen in some species foliage. Agapanthus 'Blue Boy' grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include borders and containers.
About
Agapanthus 'Blue Boy' is a clump-forming herbaceous perennial belonging to the genus Agapanthus, known for its long, narrow leaves and upright stems bearing rounded clusters of bell-shaped flowers. This cultivar thrives in full sun on a south-facing, sheltered aspect, preferring fertile, moist but well-drained loam soil with a neutral pH. It is hardy in the UK (H4) and is suitable for planting in borders or containers. 'Blue Boy' is deciduous and offers interest during spring and summer, with propagation best achieved by division every three to four years in spring.
Growing conditions
Best soil and position for Agapanthus
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Agapanthus 'Blue Boy' size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump-forming perennial
- Foliage
- Deciduous, evergreen in some species
- Suggested uses
- Borders, containers
Care notes
Pruning and caring for Agapanthus 'Blue Boy'
- Propagation
- Division every 3-4 years in spring
- Pest resistance
- Susceptible to slugs and snails, agapanthus gall midge
- Disease resistance
- May be susceptible to a virus disease
Frequently asked questions
Where is the best place to plant Agapanthus 'Blue Boy'?
Agapanthus 'Blue Boy' prefers full sun. It suits sheltered positions.
What soil does Agapanthus 'Blue Boy' need?
Agapanthus 'Blue Boy' grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Agapanthus 'Blue Boy' hardy in the UK?
Agapanthus 'Blue Boy' has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Agapanthus 'Blue Boy'?
Division every 3-4 years in spring.
More in the Agapanthus genus
- Agapanthus 'NZ White'
- Agapanthus 'Sevilla'
- Agapanthus campanulatus subsp. patens 'Rosie Palmer'
- Agapanthus 'Adagio'
- Agapanthus 'Arctic Star'African lily 'Arctic Star'
- Agapanthus 'Atlantic'African lily 'Atlantic'
- Agapanthus 'Audrey'PBR
- Agapanthus 'Black Buddhist'African Lily